Across

1   Romanian Word for Train (6)

4   Trains Undergo These before Production Release (6)

9   "At ____ In The Morning There Passed A Church", Faintheart In A Railway Train By Thomas Hardy (4)

10   Funicular in Budapest (6, 4)

11   "Lafayette Railroad" by ______ Feat (6)

12   Irish 60535? (8)

13   Great Northern and Great Eastern Joint Railway Station; Closed in 1961 (9)

15   Four? (4)

16   "____ Train" by Bill Scott (4)

17   Remained Intact and Unharmed (9)

21   London and South Western Railway Station; Closed in 1966 (8)

22   ______smith and Chiswick (6)

24   Inverness and Nairn Railway Station; Closed in 1858 (10)

25   Paris Transport Authority (4)

26   City of Train Accident South Africa 4 Oct 1965 – Killing at least 150 (6)

27   King 4021 (6)

Down

1   The Kars–______–Baku Railway Line (7)

2   "In Helping To _____ The Bridge Of The Tay", The Railway Bridge Of The Silvery Tay By William Topaz McGonagall (5)

3   Is In a Fog of Confusion (7)

5   "Are ______ Across By Limestone Breakers", Matlock Bath By Sir John Betjeman (6)

6   River, Scene of Bridge Disaster, United States 29 Dec 1876 (9)

7   "Deep the _______ timber barked around the summer-house", Love in a Valley by Sir John Betjeman (7)

8   NY Railroad Company Sounds Partly Italian but Has a Mexican Connection (6, 3, 4)

14   North-Eastern Named Train Service (9)

16   Of Those Coming To Be ________ Quicken A, Overture To A Dance Of Locomotives By William Carlos Williams (7)

18   AHD? (7)

19   Voted In (7)

20   45110 Perhaps? (6)

23   The 6866 Grange (5)